敲平頭頂的人,敲平頭釘器
Tacker \Tack"er\, n. One who tacks.
tacker n 1: a worker who fastens things by tacking them (as with tacks or by spotwelding) 2: a sewer who fastens a garment with long loose stitches [syn: {baster}] 3: a hand-held machine for driving staples home [syn: {staple gun}, {staplegun}]