small wooden mallet
A traditional small wooden mallet, often used in crafts or as a lucky charm (e.g., 打出の小槌).
The craftsman shapes the wood by tapping it with a small wooden mallet.
I bought a small wooden mallet as a lucky charm.
hammer-shaped head; head like a hammer
The kanji 才 (sai) and 槌 (tsuchi, hammer) combine to mean a small wooden mallet. The reading さいづち is a compound of 才 (sai) and 槌 (tsuchi) with rendaku voicing.