
A6:"Flip-open" calf device.
AR6:Air bag on "Flip-open" calf device.
AR11-1:Upper unit air massage for calf; Lower unit rolling, kneading and air massage for feet with sliding structure.
R12:Upper and lower unit air massage for calf, whole footrest with sliding structure.
AR12:Upper and lower unit air massage for calf, roller and air massage for feet, whole footrest with sliding structure.