Retractable scissors

A retractable scissors comprising:

• a holder including first and second side walls, which face each other to define an accommodation groove therebetween;
• and
• a scissor piece mounted on a distal end of the holder, the scissor piece being rotational with respect to the holder among a closed position, at which the scissor piece is retracted in the accommodation groove, a first open position, at which the scissor piece is open with respect to the holder at an acute angle, and a second open position, at which the scissor piece is open with respect to the holder wider than at the first open position, wherein
• the scissor piece includes a first edge,
• the holder includes a second edge that intersects and contacts the first edge, and
• the second edge is provided on the first side wall and defines part of an opening rim of the accommodation groove,
• when the scissor piece is rotated with respect to the holder from the first open position toward the closed position, the scissor piece and the holder cooperate to function as a pair of scissors that cuts an object between the first and second edges, and
• when the scissor piece is located at the second open position, the scissor piece functions as a blade of a knife, and the holder functions as a handle of the knife.