Are Horse Parts Really Used to Make Glue or Is That Just an Icky Rumor?

This answer attempts to help a teacher with a sticky situation involving glitter and a roomful of 8-year-olds.

Are the corpses of horses still used in the manufacture of glue

Is Glue Made From Horses? All You Need To Know

Animal glue - Wikipedia

What makes horses better for glue manufacturing than, say, cows

Using Composite Horseshoes - Okanagan School of Natural Hoof Care

Pink Unicorn - Chestnut Ridge

CryptoLlama #926 - Llama Adventure Club

Your Complete Guide To PVA Glue Gathered Gathered

QSaltLake Magazine, Issue 349

ازالة الصمغ من البلاستيك - حياتكِ

Animal glue - Wikipedia

stupid ostrich - super-animals

BUY MY BIRDFEEDERS – The Bloggess