Pretty much it. When we made some we drove to the beach and filled a bucket full of sand, took it home, ran it through a sieve.
Comment on why are fitness weights filled with sand?
Steve@communick.news 12 hours ago
Cheaper. More flexable.
slazer2au@lemmy.world 12 hours ago
AmidFuror@fedia.io 8 hours ago
Exploiting natural resources.
Apepollo11@lemmy.world 9 hours ago
This. Dirt cheap material cost, no additional machining costs.
Battle_Masker@lemmy.blahaj.zone 6 hours ago
dirt
cheapmaterial