Two words change One...(2)

Smile while your heart is breaking .(oops ,crossed threads too !! )

Window lock.

Toilet seat ..

Timing  Chain

Anchor chain.

A bit late there "Paulsy" !! (Anchor chain was the last )

Light ship.

Shoe fitting   (at a shoe shop )

Horse ride.

Bike saddle.

Tramp steamer.

Fish kettle