I am new to the game and was wondering what to use the Giddyup Buttercups for. I have several of them. TIA!

eh, nvm didn't see this was shelter.

He is used in the crafting of legendary weapons and outfits.

Yes, but only if once collected he actually makes it into your inventory. I've collected 3 of them on 2 different vaults. 0 were added to inventory when I hit the collect button.