Copy items.otb, to your server, replace, confirm.
Also to the rme 4.1.2 > data > 860, replace, confirm.
Tibia.spr, Tibia.dat, Tibia.otfi, to the otclient > data > things > 860, replace, confirm.
Run rme, go to the window >palette > RAW > Others, scroll down, and see new items.