GitHub - CammiePone/Cammies-Wearable-Backpacks: Just a backpack that lets you carry more items with you. Requires an empty chest slot though.
copygirl's Wearable Backpacks Mod for Minecraft [1.12.2][1.11.2][1.10.2]
Backpack | RLCraft Wiki | Fandom
512x/256x/128x] Wearable Backpacks [MC1.12] - BDcraft.net Community
Cammie's Wearable Backpacks 2 has Just Released for 1.17.1! With an All New Backpack GUI, Some Much-Needed Quality of Life Changes, and More! Now available on CurseForge & Modrinth! (Download In Comments) :
Wearable Backpacks Mod for Minecraft 1.11.2 | MinecraftSix | Minecraft mods, Minecraft 1, Mod
Wearable Backpacks Mod 1.12.2 | How To Download & Install Wearable Backpacks Mod In Minecraft 1.12.2 - YouTube
Cammie's Wearable Backpacks Mod (1.19.3, 1.18.2) - Wearing a small Inventory - 9Minecraft.Net