direct from the rc glossary.. god i wish i didnt have to pull this out..
Slipper Clutch. This refers to a device found primarily in off-road vehicles that allows the spur gear to slip under excessive load. This feature protects the driveline from excessive wear and, WHEN SET PROPERLY, MAKES IT EAISER TO DRIVE IN LOOSE CONDITIONS.
your parially wrong and partially right..
you have the sever shocks and loads down. but you must realize its also a traction control device thats used in racing.
i race with allen horne and dakota phend and johnny loguiduice. sorry for the spelling on that last one. . and a bunch of other factory drivers. . they all do it so do i and its for good reason.
you have to set your slipper for different conditions. if your racing but if your bashing. setting it so it will only slip when your under sever load is ideal.. cause doughnuts are fun..