Cord lock

A cord lock, comprising:

• a female member including a first opening, a second opening, an insertion passage for a string ranging therebetween, a female-side fastening portion formed inside the insertion passage, and a leg member;
• a male member including one portion entered into the insertion passage from a side of the first opening, and at the one portion thereof, a male-side fastening portion adapted to fasten the string inserted to pass through the insertion passage in cooperation with the female-side fastening portion:
• and
• a spring member including one end portion attached to the leg member of the female member and another end portion attached to the one portion of the male member to be interposed between the female member and the male member, and urging the female member and the male member to pull each other,
• wherein the female member or the male member is pulled to reduce an entering amount of the one portion of the male member into the insertion passage with gripping the string pulled out from the first opening side or the second opening side to be adapted to release the string fastened with the female member and the male member, and
• finger-hooking portions for pulling the female member and the male member are formed in the female member and the male member.