FinndusFillies Mod 1.7.10 makes horses provide food (yum!) and a renewable source of glue (slimeballs). Deal with it. It adds horse-based content, specifically horse meat and the ability to make Slimeballs from Leather.
How it works:
This works kinda-sorta similarly to the way real animal glue is made:
How to install:
FinndusFillies Mod 1.7.10 Download Links:
For Minecraft 1.7.10