To provide a handle capable of eliminating a hollow when it is not used, being used as the handle by making the necessary hollow appear when it is used, eliminating directivity so that any site can be also hollowed and contemplating improvements in design and workability.

An interlocking edge 4 is formed in the vicinity of a window 2 provided to the front of a casing 1, and the back of a cover 5 stored in the casing 1 in a retractable manner is elastically bounced by an elastically pushing pressure member 3 to elastically contact with the circumferential edge 15 with the interlocking edge 4. When the cover 5 is pushed in the case it is used, a pushed part is hollowed inward, and a finger is hung on the interlocking edge 4 to enable a Fusuma and a sliding door to be opened and closed.