The traditional method of fixing the hammer on the handle is wedging. Over time, however, the knot loosened and it is necessary to change the wedge or pen.
I suggest to fix a clogged wedge with a screw or rivet passed through the bore in the sidewall of the through hole.
Recommend to read
The AIRBOAT
RC model aerolaser (Fig. 1) easy to manufacture, and it does not require scarce materials. Do this even for a Modeler with a little experience, and so the airboat could become a learning...
Ping-pong on the lawn
Homemade table tennis tables in a yard are usually made stationary: crude ones, from boards or even from concrete slabs — such structures can be called a table only conditionally. And they...