鍵輪 is read as かぎわ (kagiwa) and means key ring.
かぎわ
kagiwa
あとわ
cantle
ゆびわ
(finger) ring
わ
circle (e.g. of friends)
しゃりん
(vehicle) wheel
けいりん
keirin
ねんりん
experience in life
まえわ
front wheel
ごりん
Olympic rings
うちわ
conservative (e.g. estimate)
さんりん
three wheels
りょうりん
two wheels
はなわ
wreath