Homemade prostate massager

I love prostate massage but my fingers get tired after a long game with the prostate and I am also don't want to give money for a massager for this do you know how to do a prostate massage

Take a look at these from the net, and make your own on them, if you are a true master.

Here's a couple of links:

https://sexualalpha.com/homemade-prostate-massager/

https://mytoyforjoy.com/homemade-prostate-massager/