Made famous by Pro Baseball Players! Keep hands (or gloves) dry with Rosin powder from a shaker bottle. Use as much or little as you like by shaking into your palm and lightly rubbing hands together. It will leave your hands feeling dry again.
2 oz. shaker bottle
Other popular uses:
Shake some on before taking a bike ride for a better grip on your handle bars
For gripping your garden tools, spade handles, etc.
Reduce slippage of your hands on any tool
Get a better grip on your kayak paddle or canoe paddle