>>312
＞How to use them:
＞You can put any backpack in a separate slot.
＞You access the slot be sneaking and pressing the key to open a backpack (default 'B').
＞When wearing a backpack in this slot the backpack can be opened by pressing the 'B' key. You can change the key in your controls.
＞When you wear a backpack it will show a 3D Model on the back of the player.

これか。見落としてた
というか判り難いｗ