Here's a little fixed gear trick, it's fun, sort of....
1) Get going about 5 MPH and take your left foot out of the pedal
and hold it out to the side whilst sitting on the seat.
2) Now your right foot is going around gently with the crank,
your knee is flexing with each revolution.
3) THEN, tighten up your right knee and leg muscles immediately when the pedal is at the lowest position.
The momentum of the bike will pick you up off the seat, because your right knee did not flex.
4) Then, at the highest point of the crank rotation, with right foot on right pedal (and the left still floating out to the side) you can “pump” all your weight down onto the right pedal before allowing the momentum of the bike to take you for a ferris wheel ride back to the top, before pumping back down.
One footed, one legged, off the saddle.....
You can even do this going uphill.
It’s a stupid “trick” that has one useful purpose:
You can do this with the left foot and then the right to determine if a creaking
sound is coming from the left or right pedal/crankarm.