WELL I WORK AT THE HOLE OF WALLYWORLD AND PICKED UP TWO OF THESE THINGS WOW THERE FAST BUT THEY GET NO TRACTION ,,SO I CUT UP SUM PEN GRIPS FOR RUBBER AND WOWW THE LITTLE THINGS STICK LIKE GLUE ,,,,OH YEH IF YOUR LOOKING FOR UM THERE ON THE SHELF NEXT TO MOTORWORKS AND ALSO AT THE END OF THE ROWS HANGING IN A BLUE BOX ,,,