So I'm working on my first modded critter: A domesticated, vermin-catching lizard with a bit more of a dwarfy flavor than cats. I'm calling them frill lizards, and I'm trying to give them colorful frills on their heads. I have the body part made, and apparently attached correctly since it shows up on the critter's wound screen, but it doesn't show up in the description. What am I doing wrong?
Partial raw (several cosmetic castes left out for clarity):
creature_domestic_lizard
[OBJECT:CREATURE]
[CREATURE:LIZARD_FRILL]
[DESCRIPTION:A small domesticated lizard with a colorful frill on its head.]
[NAME:frill lizard:frill lizards:frill lizard]
[CREATURE_TILE:'f'][COLOR:0:0:1]
[LARGE_ROAMING]
[AT_PEACE_WITH_WILDLIFE]
[HUNTS_VERMIN]
[BENIGN]
[CARNIVORE][NATURAL][PET]
[PREFSTRING:many varieties]
[PREFSTRING:colorful hides]
[PREFSTRING:colorful frills]
[BODY:QUADRUPED:TAIL:2EYES:NOSE:2LUNGS:HEART:GUTS:ORGANS:THROAT:NECK:SPINE:BRAIN:SKULL:MOUTH:RIBCAGE:HEAD_FRILL]
[BODY_DETAIL_PLAN:STANDARD_MATERIALS]
[REMOVE_MATERIAL:SKIN]
[REMOVE_MATERIAL:LEATHER]
[REMOVE_MATERIAL:HAIR]
[USE_MATERIAL_TEMPLATE:SCALE:SCALE_TEMPLATE]
[BODY_DETAIL_PLAN:STANDARD_TISSUES]
[REMOVE_TISSUE:SKIN]
[REMOVE_TISSUE:HAIR]
[USE_TISSUE_TEMPLATE:SCALE:SCALE_TEMPLATE]
[BODY_DETAIL_PLAN:VERTEBRATE_TISSUE_LAYERS:SCALE:FAT:MUSCLE:BONE:CARTILAGE]
[SELECT_TISSUE_LAYER:HEART:BY_CATEGORY:HEART]
[PLUS_TISSUE_LAYER:SCALE: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]
[SPEED:2900]
[USE_MATERIAL_TEMPLATE:BLOOD:BLOOD_TEMPLATE]
[BLOOD:LOCAL_CREATURE_MAT:BLOOD:LIQUID]
[CREATURE_CLASS:GENERAL_POISON]
[GETS_WOUND_INFECTIONS]
[GETS_INFECTIONS_FROM_ROT]
[USE_MATERIAL_TEMPLATE:PUS:PUS_TEMPLATE]
[PUS:LOCAL_CREATURE_MAT:PUS:LIQUID]
[BODY_SIZE:0:0:200]
[BODY_APPEARANCE_MODIFIER:LENGTH:90:95:98:100:102:105:110]
[BODY_APPEARANCE_MODIFIER:HEIGHT:90:95:98:100:102:105:110]
[BODY_APPEARANCE_MODIFIER:BROADNESS:90:95:98:100:102:105:110]
[MAXAGE:2:3]
[ATTACK:BITE:BODYPART:BY_CATEGORY:MOUTH]
[ATTACK_SKILL:BITE]
[ATTACK_VERB:bite:bites]
[ATTACK_CONTACT_PERC:100]
[ATTACK_PRIORITY:MAIN]
[ATTACK_FLAG_CANLATCH]
[DIURNAL]
[SWIMS_INNATE][SWIM_SPEED:2500]
[MUNDANE]
[CHILD:2]
[GENERAL_CHILD_NAME:frill lizard hatchling:frill lizard hatchling]
[CASTE:MOSS_GREEN_M]
[COMMON_DOMESTIC]
[CASTE_NAME:common frill lizard:common frill lizards:common frill lizard]
[CHILDNAME:common frilly hatchling:common frilly hatchlings:common frilly hatchling]
[MALE]
[SET_TL_GROUP:BY_CATEGORY:ALL:SCALE]
[TL_COLOR_MODIFIER:MOSS_GREEN:1]
[TLCM_NOUN:scales:PLURAL]
[SET_TL_GROUP:BY_CATEGORY:ALL:FIN]
[TL_COLOR_MODIFIER:AQUA:1:AZURE:1:BLACK:1:BLUE:1:CARMINE:1:CERULEAN:1:CHARTREUSE:1:CRIMSON:1:DARK_BLUE:1:DARK_GREEN:1:DARK_INDIGO:1:EMERALD:1:FERN_GREEN:1:FUSCHA:1:GOLDEN_YELLOW:1:GREEN:1:GREEN-YELLOW:1:INDIGO:1:IVORY:1:LAVENDER:1:LEMON:1:LIGHT_BLUE:1:LILAC:1:LIME:1:MAROON:1:MIDNIGHT_BLUE:1: MINT_GREEN:1:OCHRE:1:ORANGE:1:PALE_PINK:1:PERIWINKLE:1:PINE_GREEN:1:PINK:1:PURPLE:1:RED:1:SAFFRON:1:SCARLET:1:TEAL:1:VIOLET:1:YELLOW:1:YELLOW-GREEN:1]
[TLCM_NOUN:frill:SINGULAR]
[SET_TL_GROUP:BY_CATEGORY:EYE:EYE]
[TL_COLOR_MODIFIER:BLACK:1]
[TLCM_NOUN:eyes:PLURAL]
ETA: "Fin" does refer to the frill; I didn't see any standard body part that was quite right, so I copied the standard dorsal fin and changed where it attached and what it was called, but I left it as a fin-type body part because I wasn't sure if it was okay to change that.