67. The apparatus of claim 36 further comprising a pointer, responsive to movement of a body member of the user, for indicating the first starting location, the first ending location, the second starting location, the second intermediate location, and the second ending location, the body member of the user including any one of: (1) the head of the user; (2) an eye of the user; (3) a shoulder of the user; (4) an arm of the user; (5) an elbow of the user; (6) a wrist of the user; (7) a hand of the user; (8) a finger of the user; (9) a thumb of the user; (10) a knee of the user; (11) a leg of the user; (12) a foot of the user; (13) a toe of the user; (14) an ankle of the user; and (15) the trunk of the user.
68. The apparatus of claim 67 further comprising a tactile indicator for indicating tactilely to the user the position of the body member.