If you have it from a older version (Get the item now, no bug) -
Diamond Helmet don't render (In Inventory)
Leather Boots don't render (In Inventory)
Bow don't render (In Inventory & Hand)Always -
Bow when prepare to shoot it position badly
Look Pictures...
Please limit your bugreports to 1 bug per ticket. This system is not designed for multiple bugs in a single ticket.
Also, please search before you report, as it's likely there is a ticket already.