How to make a custom backpack?

I disabled the default roblox backpack and set up some scripts that should be giving me a tool when I press 1, and it does put it into my character, but it doesn't actually become equipable. Is there a way to make a tool manually transferred to a player's character equipable?

Edit:

After experimenting with it some more, I discovered that the tool that is being put into my character actually is equipped. My arm rises 90 degrees and the animation for the tool players as if I were holding something, but despite the tool being equipped, the parts don't actually exist physically. This makes no sense whatsoever to me because I checked and they still exist in the workspace after a while meaning that they aren't being destroyed in some way either. Someone please help!