Knuckles, baton and club laws in Maine

We found no Maine law restricting the sale or shipping of knuckles, batons, clubs, nunchaku and throwing stars.

What we searched

https://legislature.maine.gov/statutes/17-A/title17-Ach43sec0.html (17-A ch. 43 Weapons §§1051-1060; §1055 repealed)
https://legislature.maine.gov/statutes/25/title25sec2001-A.html
https://legislature.maine.gov/statutes/17-A/title17-Asec2.html

Only concealed carry/threatening display of slungshot, knuckles etc. (25 M.R.S. 2001-A); no sale/possession law.