leaves perforate pick out bone marrow pick out nutmeat pound pound food on object pound food on wood pound insect pound pestle pound resin prop anvil puncture push and pull sponge push object into scoop algae tool use tool 5-3. Object manipulation: Tool-use in threat and aggression club club ground club other drag branch drop drop branch flail long object throw at inanimate object throw branch throw splash throw stone or rock tool use tool 5-4. Object manipulation: Tool-use in other contexts bed bend branch clip leaf by hand clip leaf by mouth comb cover from rain dab leaf drape groom leaf hook branch make bed make cushion make day bed make ground bed or cushion make leaf cushion make night bed make tool play socially with object