Homemade Gym Stuff: Bulgarian Training Bag

Here's Matt showing you the "How" - as regards parts, I'd go scavaging to the local garage for bits and use course sand as a filler*

For the grips/handles I would run a length of rope through the bag and tie a Monkey's Fist at either end...

Tripitaka would be truly pleased with her Bulgarian Training Bag! - Homemade Gym Stuff

 *Scarborians (English born & bred) are entitled to one bucket of sand from the beach, per year.