The 2 position Universal Boxing Stand (UBS-2) by Balazs Boxing has always looked like a pretty stable free standing unit.
Here is a videoclip I found of it in use.
I wish you could see the ground on this video, for it looks to be rocking a bit, and he is NOT hitting the speed bag very hard. Maybe the base is on uneven ground. There also appears to be a guy in a white ball cap holding the upright vertical arm steady.
Here is a videoclip I found of it in use.
I wish you could see the ground on this video, for it looks to be rocking a bit, and he is NOT hitting the speed bag very hard. Maybe the base is on uneven ground. There also appears to be a guy in a white ball cap holding the upright vertical arm steady.
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