To provide a highly general-purpose capotasto capable of being accurately fitted in stringed musical instruments having various neck shapes.

This capotasto 100 used for the stringed musical instrument being played by pressing strings 3 against a fingerboard 2 in a neck 1 with fingers includes a capo body 10 mounted on the neck 1 and pressing members 20 for pressing the strings 3 against the fingerboard 2. The capo body 10 includes the pressing members 20 assembled so as to move back-and-forth toward the strings 3 and an adjusting implement for adjusting the amount of back-and-forth of the pressing members 20 relative to the capo body 10.