An exercising apparatus for allowing mobility recovery and slimming activities. The storage member is provided outside of the second case and stores residual toner removed by the cleaning member. The process includes an exchange phase and a testing phase in which no sensitive information is exposed outside the storage units. The fastener includes an elongate member insertable within a slot formed in the lens and rotatable to a crosswise position hindering removal of the elongate member from the slot. Installation of a tree cap may be actuated by a remotely operated vehicle. The strap may be attached to the top flange or the bottom or both.