  x: slipperDx,
            y: -slipperDy,
            ease: Power2.easeIn,
          });
          TweenLite.to(slipperShadow, 0.05, {
            x: -slipperDx,
            y: slipperDy,
            ease: Power3.easeIn,
          });
          checkHit(e);
        }

        function mouseUpHandler() {
          // Restore original positions
          TweenLite.to(slipperBody, 0.1, {
            x: 0,
            y: 0,
            ease: Power2.easeIn,
          });
          TweenLite.to(slipperShadow, 0.