Sprung Floor with Tires ::: Open Source Jiu-Jitsu
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Dollamur Flexi-Roll Mats
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New Deluxe Sub-Floor at Optimus Brazilian Jiu Jitsu Academy
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Creative Uses for Discarded Tires
3:31
Dollamur Martial Arts Mats - Installing A Spring Floor under Dollamur Mats
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BJJ Mats, How to Build - WITH POOL NOODLES!
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Wall MatsPART2
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Judo dojo build with sprung floor construction - Leigh Judo Club
3:15