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

Handful of straw can be obtained through Treasure Hunter from 9 May 2014 to 12 May 2014 23:59 UTC. It can be combined with 400 magic beans to make a farmer's hat or converted to a Farming XP lamp.