The DOL-Fin is a hydrofoil for your feet
The DOL-Fin X-20 features a hydrofoil fin and ... cycling shoes?
The DOL-Fin Orca is designed for freediving
The DOL-Fin HP is more for scuba diving
A prototype of Smith's new Orca Mk2
The Orca Mk2's buoyancy and swimming characteristics reportedly don't change with depth
The Ciamillo Lunocet
Besides being able to fly like a bird, many people fantasize about having the ability to swim like a dolphin. Divers already have the option of replacing their two regular swim fins with one fluke-like flexible rubber monofin, although aerospace engineer Ron Smith claims that his invention is much more effective. Known as the DOL-Fin, it incorporates a wide rigid hydrofoil-type fin.
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