Zombie head
Leather scraps was removed from RuneScape after an update, but still exists in-game for those who had obtained it.
Leather scraps detail

Leather scraps can be obtained through Treasure Hunter from 9 May 2014 to 12 May 2014 23:59 UTC. They can be combined with 100 magic beans to make farmer's cuffs. Leftover leather scraps can be converted to farming XP lamps.

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