Finger and toes are much thinner than the wrist and back of the foot. It would be a miracle to find a technique suitable to such variations in thickness. These are precisely the marvels that the GENTLE SLOPE allows. Cassette and filter become inseparable.   Oblique view of one foot and a simultaneous lateral of the other. SPECIFICATIONS: FI-03 GENTLE SLOPE: L30 x W17 x H2.3 cm approx.; 800 g.