Hey, mentioned this a while back, and no matter what, I can't get spinning thread on my modded creatures to work. Here's my custom shearable rutherer, as well as my cavern moth, if anyone wants to help.
Rutherer:
[CREATURE:RUTHERER]
[DESCRIPTION:A horned monster with an enormous tail, covered with silken fur. They have scarlet eyes and can be found deep under the earth.]
[NAME:rutherer:rutherers:rutherer]
[CASTE_NAME:rutherer:rutherers:rutherer]
[CHILD:1][GENERAL_CHILD_NAME:ruthling:ruthlings]
[CREATURE_TILE:'R'][COLOR:7:0:0][GLOWTILE:'"']
[CREATURE_CLASS:MAMMAL]
[CREATURE_CLASS:DWARF_ONLY]
[PETVALUE:200]
[TRADE_CAPACITY:2000]
[PET]
[TRAINABLE]
[PACK_ANIMAL]
[WAGON_PULLER]
[MOUNT]
[LARGE_ROAMING]
[LOW_LIGHT_VISION:10000]
[BIOME:SUBTERRANEAN_CHASM]
[UNDERGROUND_DEPTH:2:3]
[POPULATION_NUMBER:15:30]
[CLUSTER_NUMBER:3:7]
[BENIGN][MEANDERER][NATURAL]
[PREFSTRING:enormous tails]
[PREFSTRING:silky fur]
[BODY:QUADRUPED_NECK:TAIL:2EYES:2EARS:2LUNGS:HEART:GUTS:ORGANS:THROAT:NECK:SPINE:BRAIN:SKULL:MOUTH:TONGUE:GENERIC_TEETH:RIBCAGE:2HEAD_HORN]
[BODYGLOSS:PAW]
[BODY_DETAIL_PLAN:STANDARD_TISSUES]
[USE_TISSUE_TEMPLATE:HORN:HORN_TEMPLATE]
[SELECT_TISSUE:HAIR]
[TISSUE_NAME:fur:NP]
[BODY_DETAIL_PLAN:STANDARD_MATERIALS]
[SELECT_MATERIAL:HAIR]
[STATE_NAME:ALL_SOLID:fur]
[STATE_ADJ:ALL_SOLID:fur]
[YARN]
[USE_MATERIAL_TEMPLATE:HORN:HORN_TEMPLATE]
[BODY_DETAIL_PLAN:VERTEBRATE_TISSUE_LAYERS:SKIN:FAT:MUSCLE:BONE:CARTILAGE]
[BODY_DETAIL_PLAN:BODY_HAIR_TISSUE_LAYERS:HAIR]
[SELECT_TISSUE_LAYER:HEART:BY_CATEGORY:HEART]
[PLUS_TISSUE_LAYER:SKIN:BY_CATEGORY:THROAT]
[TL_MAJOR_ARTERIES]
[BODY_DETAIL_PLAN:STANDARD_HEAD_POSITIONS]
[BODY_DETAIL_PLAN:HUMANOID_RIBCAGE_POSITIONS]
[USE_MATERIAL_TEMPLATE:SINEW:SINEW_TEMPLATE]
[TENDONS:LOCAL_CREATURE_MAT:SINEW:200]
[LIGAMENTS:LOCAL_CREATURE_MAT:SINEW:200]
[HAS_NERVES]
[USE_MATERIAL_TEMPLATE:BLOOD:BLOOD_TEMPLATE]
[BLOOD:LOCAL_CREATURE_MAT:BLOOD:LIQUID]
[GETS_WOUND_INFECTIONS]
[GETS_INFECTIONS_FROM_ROT]
[USE_MATERIAL_TEMPLATE:PUS:PUS_TEMPLATE]
[PUS:LOCAL_CREATURE_MAT:PUS:LIQUID]
[BODY_SIZE:0:0:7000]
[BODY_SIZE:1:0:35000]
[BODY_SIZE:2:0:70000]
[BODY_APPEARANCE_MODIFIER:LENGTH:95:98:100:102:105:110:120]
[BODY_APPEARANCE_MODIFIER:HEIGHT:90:95:98:100:102:105:110]
[BODY_APPEARANCE_MODIFIER:BROADNESS:90:95:98:100:102:105:110]
[MAXAGE:40:60]
[ATTACK:KICK:BODYPART:BY_CATEGORY:FOOT_FRONT]
[ATTACK_SKILL:STANCE_STRIKE]
[ATTACK_VERB:slash:slashes]
[ATTACK_CONTACT_PERC:10]
[ATTACK_PENETRATION_PERC:100]
[ATTACK_PREPARE_AND_RECOVER:2:3]
[ATTACK_PRIORITY:MAIN]
[ATTACK_FLAG_WITH]
[ATTACK_FLAG_BAD_MULTIATTACK]
[ATTACK:BITE:CHILD_BODYPART_GROUP:BY_CATEGORY:HEAD:BY_CATEGORY:TOOTH]
[ATTACK_SKILL:BITE]
[ATTACK_VERB:bite:bites]
[ATTACK_CONTACT_PERC:100]
[ATTACK_PENETRATION_PERC:100]
[ATTACK_FLAG_EDGE]
[ATTACK_PREPARE_AND_RECOVER:3:3]
[ATTACK_PRIORITY:MAIN]
[ATTACK_FLAG_CANLATCH]
[ATTACK:HGORE:BODYPART:BY_CATEGORY:HORN]
[ATTACK_SKILL:BITE]
[ATTACK_VERB:gore:gores]
[ATTACK_CONTACT_PERC:100]
[ATTACK_PREPARE_AND_RECOVER:3:3]
[ATTACK_FLAG_WITH]
[ATTACK_PRIORITY:MAIN]
[ALL_ACTIVE]
[HOMEOTHERM:10050]
[APPLY_CREATURE_VARIATION:STANDARD_QUADRUPED_GAITS:900:375:250:125:1900:2900] 70 kph
[APPLY_CREATURE_VARIATION:STANDARD_SWIMMING_GAITS:9000:8900:8825:8775:9500:9900] 1 kph
[APPLY_CREATURE_VARIATION:STANDARD_CRAWLING_GAITS:9000:8900:8825:8775:9500:9900] 1 kph
[SWIMS_INNATE]
[CASTE:FEMALE]
[FEMALE]
[MULTIPLE_LITTER_RARE]
[CASTE_NAME:rutherer queen:rutherer queens:rutherer queen]
[CHILDNAME:ruthling princess:ruthling princess]
[USE_MATERIAL_TEMPLATE:MILK:MILK_TEMPLATE]
[STATE_NAME:ALL_SOLID:frozen rutherer milk]
[STATE_ADJ:ALL_SOLID:frozen rutherer milk]
[STATE_NAME:LIQUID:rutherer milk]
[STATE_ADJ:LIQUID:rutherer milk]
[STATE_NAME:GAS:boiling rutherer milk]
[STATE_ADJ:GAS:boiling rutherer milk]
[PREFIX:NONE]
[MILKABLE:LOCAL_CREATURE_MAT:MILK:20000]
[USE_MATERIAL_TEMPLATE:CHEESE:CREATURE_CHEESE_TEMPLATE]
[STATE_NAME:SOLID:rutherer cheese]
[STATE_ADJ:SOLID:rutherer cheese]
[STATE_NAME:SOLID_POWDER:rutherer cheese powder]
[STATE_ADJ:SOLID_POWDER:rutherer cheese powder]
[STATE_NAME:LIQUID:melted rutherer cheese]
[STATE_ADJ:LIQUID:melted rutherer cheese]
[STATE_NAME:GAS:boiling rutherer cheese]
[STATE_ADJ:GAS:boiling rutherer cheese]
[PREFIX:NONE]
[CASTE:MALE]
[MALE]
[CASTE_NAME:rutherer king:rutherer kings:rutherer king]
[CHILDNAME:ruthling prince:ruthling princes]
[SET_BP_GROUP:BY_TYPE:LOWERBODY][BP_ADD_TYPE:GELDABLE]
[SELECT_CASTE:ALL]
[SET_TL_GROUP:BY_CATEGORY:ALL:HAIR]
[YARN]
[TL_COLOR_MODIFIER:GRAY:1:SILVER:1:GRAY:1:CHARCOAL:1]
[TISSUE_LAYER_APPEARANCE_MODIFIER:LENGTH:0:0:0:0:0:0:0]
[APP_MOD_NOUN:fur:SINGULAR]
[APP_MOD_RATE:10:DAILY:0:300:0:0:NO_END]
[APP_MOD_DESC_RANGE:10:50:100:150:200:300]
[SHEARABLE_TISSUE_LAYER:LENGTH:300]
[SET_TL_GROUP:BY_CATEGORY:ALL:SKIN]
[TL_COLOR_MODIFIER:BLUE:1]
[TLCM_NOUN:skin:SINGULAR]
[SET_TL_GROUP:BY_CATEGORY:EYE:EYE]
[TL_COLOR_MODIFIER:IRIS_EYE_GREEN:1:IRIS_EYE_BLUE:1:IRIS_EYE_SCARLET:20:IRIS_EYE_CHARCOAL:1:IRIS_EYE_GOLD:1]
[TLCM_NOUN:eyes:PLURAL]
[SELECT_MATERIAL:CHEESE]
[MULTIPLY_VALUE:4]
Cavern moth: (moths are floofy.)
[CREATURE:CAVE_MOTH]
[DESCRIPTION:A horned moth with a bright blue shell, they are popular pets amoung dwarves.]
[CREATURE_TILE:'m'][COLOR:6:0:0]
[NAME:cavern moth:cavern moths:cavern moth]
[CASTE_NAME:cavern moth:cavern moths:cavern moth]
[CREATURE_CLASS:GENERAL_POISON]
[CREATURE_CLASS:DWARF_ONLY]
[PETVALUE:100]
[COMMON_DOMESTIC]
[BABY:1]
[CHILD:2]
[PET]
[NATURAL]
[TRAINABLE]
[BIOME:SUBTERRANEAN_CHASM]
[UNDERGROUND_DEPTH:1:3]
[FREQUENCY:100]
[POPULATION_NUMBER:1:3]
[PREFSTRING:blue shells]
[PREFSTRING:fluffy bodies]
[PREFSTRING:round eyes]
[BENIGN][FLIER]
[NOCTURNAL]
[NONAUSEA]
[NOPAIN]
[MUNDANE]
[NOBONES]
[APPLY_CREATURE_VARIATION:STANDARD_FLYING_GAITS:900:750:600:439:1900:2900] 20 kph
[APPLY_CREATURE_VARIATION:STANDARD_CLIMBING_GAITS:900:750:600:439:1900:2900] 20 kph
[APPLY_CREATURE_VARIATION:STANDARD_CRAWLING_GAITS:900:750:600:439:1900:2900] 20 kph
[APPLY_CREATURE_VARIATION:STANDARD_SWIMMING_GAITS:900:750:600:439:1900:2900] 20 kph
[STANCE_CLIMBER][NATURAL_SKILL:CLIMBING:15]
[BODY:INSECT:2EYES:HEART:GUTS:BRAIN:MOUTH:2WINGS:HEAD_HORN]
[BODY_DETAIL_PLAN:CHITIN_MATERIALS]
[USE_MATERIAL_TEMPLATE:HORN:HORN_TEMPLATE]
[USE_MATERIAL_TEMPLATE:HAIR:HAIR_TEMPLATE]
[SELECT_MATERIAL:HAIR]
[STATE_NAME:ALL_SOLID:fur]
[STATE_ADJ:ALL_SOLID:fur]
[YARN]
[BODY_DETAIL_PLAN:CHITIN_TISSUES]
[USE_TISSUE_TEMPLATE:HORN:HORN_TEMPLATE]
[USE_TISSUE_TEMPLATE:HAIR:HAIR_TEMPLATE]
[SELECT_TISSUE:HAIR]
[TISSUE_NAME:fur:NP]
[BODY_DETAIL_PLAN:EXOSKELETON_TISSUE_LAYERS:CHITIN:FAT:MUSCLE]
[BODY_DETAIL_PLAN:BODY_HAIR_TISSUE_LAYERS:HAIR]
[BODY_DETAIL_PLAN:STANDARD_HEAD_POSITIONS]
[BODY_DETAIL_PLAN:LEATHERY_EGG_MATERIALS]
[USE_MATERIAL_TEMPLATE:SINEW:SINEW_TEMPLATE]
[TENDONS:LOCAL_CREATURE_MAT:SINEW:200]
[LIGAMENTS:LOCAL_CREATURE_MAT:SINEW:200]
[HAS_NERVES]
[USE_MATERIAL_TEMPLATE:ICHOR:ICHOR_TEMPLATE]
[BLOOD:LOCAL_CREATURE_MAT:ICHOR:LIQUID]
[STATE_COLOR:ALL:WHITE]
[GETS_WOUND_INFECTIONS]
[GETS_INFECTIONS_FROM_ROT]
[USE_MATERIAL_TEMPLATE:PUS:PUS_TEMPLATE]
[PUS:LOCAL_CREATURE_MAT:PUS:LIQUID]
[BODY_SIZE:0:0:5000]
[BODY_SIZE:1:0:25000]
[BODY_SIZE:2:0:50000]
[MAXAGE:10:15]
[GENERAL_BABY_NAME:cavern worm:cavern worms]
[BABYNAME:cavern worm:cavern worms]
[CASTE:FEMALE]
[FEMALE]
[MULTIPLE_LITTER_RARE]
[CASTE:MALE]
[MALE]
[SELECT_CASTE:ALL]
[SET_TL_GROUP:BY_CATEGORY:ALL:CHITIN]
[TL_COLOR_MODIFIER:MIDNIGHT_BLUE:1]
[TLCM_NOUN:shell:SINGULAR]
[SET_TL_GROUP:BY_CATEGORY:EYE:EYE]
[TL_COLOR_MODIFIER:AZURE:1]
[TLCM_NOUN:eyes:PLURAL]
[SET_TL_GROUP:BY_CATEGORY:ALL:HAIR]
[TL_COLOR_MODIFIER:WHITE:1]
[TLCM_NOUN:fur:PLURAL]
[TISSUE_LAYER_APPEARANCE_MODIFIER:LENGTH:0:0:0:0:0:0:0]
[APP_MOD_NOUN:fur:SINGULAR]
[APP_MOD_RATE:1:DAILY:0:300:0:0:NO_END]
[APP_MOD_DESC_RANGE:10:50:100:150:200:300]
[SHEARABLE_TISSUE_LAYER:LENGTH:300]