Abstract: An exerciser includes a support (46) having an outer periphery (50). A mat (12) includes inner and outer faces (16, 18) and first and second sides (26, 28) spaced in a length direction and extending between the inner and outer faces (16, 18). A plurality of spaced protrusions (20) is formed on the outer face (18) of the mat (12), with a gap (22) formed between two adjacent protrusions (20). The mat (12) is detachably wrapped around the outer periphery (50) of the support (46), and the first side (26) of the mat (12) is releasably engaged with the second side (28) of the mat (12).

Abstract: A multi-functional yoga brick comprises a multi-sectional holding portion at a middle section thereof. The holding portion has a shape of “8”, or a round shape or an elliptical shape. The holding portion has a through hole or no through hole. The holding portion has a plurality of layers. The multi-functional yoga brick is an elastic body. The multi-functional yoga brick is made of elastic plastics or rubber or injected plastic material. The user has a better balance in exercise and can support effectively so as to expand the body.