Make an indestructible sandbag

[utbutch13]

I like you in the instructions scene you have 3 bikes on the wall. Mountain, Road & Cyclocross?

[caelisan]

Sorry, did you say a feed bag? I'm not sure where to get one... what material is it made of?

[jorgeamayas]

what's a solid "dafl bag"? sorry... not native english speaker :P

[sww00a79602]

@jorgeamayas "Duffel Bag" I bought a navy seaman's bag at a military supply store.

[mrpolanskishere]

@jorgeamayas really strong bag

[SimAlias]

Just asking what is the material used for the bag? Is it Canvas?

[src628]

pretty cool vid, i like how you can take them out or put some more sand in depending on the workout.