Published: August 15th 2020, 5:16:12 pm
Use an 1/8th inch close nipple, and drill out the wood to accept. This piece is in the circled part of the drawing. Posted in an attempt to answer a question from the Arisaka post, about what to do if there isn't enough room to fit a reinforcement rod.
Pics from Anvil 072, which is no longer available on candrsenal