MAULSTICK
maulstick, mahlstick
(noun) a long stick that a painter uses to support the hand holding the brush
Source: WordNet® 3.1
Etymology
Noun
maulstick (plural maulsticks)
(arts) A short stick with a pad on one end, used by a painter to steady their hand, and to prevent it from accidentally touching the painting.
Source: Wiktionary
Maul"-stick`, n. Etym: [G. malerstock; maler a painter + stock
stick.]
Definition: A stick used by painters as a rest for the hand while working.
[Written also mahl-stick.]
Source: Webster’s Unabridged Dictionary 1913 Edition