gennoh

to solve a problem
try a different hammer
or another nail

genno-gennoh-japanese-hammer-niwaki-com.jpg

Japanese hammer ('Genno or Gennoh' 玄能). There are several types of carpentry hammers. Some hammers are used for chisel work, some for positioning hand plane blades, some for hammering and pulling nails, and others for tapping out laminated hardened steel from base of plane blades and chisels.