To provide a jig usable for a reproduction method of an abnormal sound capable of reproducing the abnormal sound easily and inexpensively.

The jig 100 includes: two rigid body links 102 for installation including respectively a first flange 110 mounted on the engine 34 side or the vehicle body side of an engine mount 36, and a second flange 112 orthogonal to the first flange 110; and a plurality of rigid body links 104 for connection including respectively a third flange 120 and a fourth flange 122 arranged in the mutually deviated state in the longitudinal direction, and having each phase twisted by 90 degrees mutually around a virtual axis in the longitudinal direction. The plurality of rigid body links 104 for connection are arranged between the two rigid body links 102 for installation.