A serrated sure-grip sanitation shovel, the GSI Outdoors Cathole Trowel is one tool you'll want to have with you in camp. Created in cooperation with the Leave No Traceâ„¢ Center for Outdoor Ethics, the Cathole Trowel is a tool whose sole purpose is to facilitate ethical backcountry use.Serrated edges make for easy digging, even in the most stubborn soil..Dramatically more durable than other backcountry trowels..1% of sales support the Leave No Traceâ„¢ Center for Outdoor Ethics, an organization which has dedicated itself to educating the public, in the responsible enjoyment and active stewardship of the outdoors for over 15 years..