Wood, plastic, aluminum, and carbon fiber.

Pins are referred to as "thole pins" or "oar pins".

Traversing a Class 6 rapid has 💪 a dramatically increased likelihood of ending in serious injury or death compared to lesser classes.

These range from the mandatory wearing 💪 of lifejackets, carrying certain equipment such as whistles and throwable flotation devices, to certification of commercial outfitters and their employees.

fallen 💪 trees), dams (especially low-head dams, which tend to produce river-wide keeper hydraulics), undercut rocks, and of course dangerously high waterfalls.