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Hammer Assistant/tool / tool

Hammer Assistant/tool

It will be very painful when you hammer the nail into the wall but hit your finger unexpectedly.
Hammer Assistant is a product that can avoid the situation above. Besides, it can also help you to keep the nail perpendicular to the wall (or something else).


university of

university of
genoa, Italy


university of

university of
genoa, Italy

Hong tianmu Han xiaoyu