THUMB SAVERS ARE A GOOD IDEA BUT LET ME TELL YOU A QUICK STORY OF THE ONE I FITTED. I WEAR FINGERLESS GLOVES WHEN RIDING MY HONDA FOREMAN 450, THE 1st TIME RIDING WITH THE THUMB SAVER IT SOMEHOW GOT STUCK IN THE THUMB HOLE OF MY GLOVE, AND TRYING TO GET FREE PUSHED THE THROTTLE WIDE OPEN, ONLY BY PUSHING DOWN ON THE GEAR SHIFT EFFECTIVELY "TAKING IT OUT OF GEAR SAVED ME FROM GOING OVER THE EDGE OF A 500 FEET DROP, NEEDLESS TO SAY THIS WAS THE 1st AND LAST TIME USEING A THUMB SAVER