Head shell

A head shell attachable to and detachable from a connector of a tone arm of a record player, and holding a pickup cartridge, the head shell comprising:

• a cylinder attachable to and detachable from the connector;
• a head shell main body held to the cylinder;
• a fixing screw capable of fixing the head shell main body to the cylinder;
• and
• a regulation assistance mechanism configured to assist regulation of a position of the head shell main body with respect to the cylinder in the circumferential direction, wherein
• the cylinder includes:
• a cylindrical cylinder external circumferential surface;
• and
• a groove disposed on the cylinder external circumferential surface along an axial direction of the cylinder,
• a part of the fixing screw is disposed inside the groove, and
• a space is defined between the fixing screw and the groove in a circumferential direction of the cylinder, and
• the regulation assistance mechanism includes:
• a first sign;
• and
• a second sign movable with respect to the first sign,
• the cylinder includes the first sign, and
• the head shell main body includes the second sign.