[yes, we did it. I had to call all around Florida to find someone to teach me over the phone, so I could teach my brother. Here are the notes]
Cut each testicle separately.
Get all testicle and entire cord.
Up down slit – from ass to dick.
Pull legs forwards.
Take your time. There will be a lot of bleeding.
Cut the cord when it is showing.
Apply antibiotic salve.