Nick’s been using these on his bike for a few years and thinks they’re a great option if you’re looking for an alternative to cleats or toe-cages. They’re $60 a pair for the standard length.
Powergrips are so brilliant, so sublime in their simplicity and economy of material, so superior in function and practicality, that it is a crime they are not standard equipment on all new mid and entry level mountain bikes, hybrids and city bikes. – Practical Pedal
Powergrips are durable, cheap, and effective. The inch-wide webbing straps won’t scratch up your Manolo Blahniks’ the way regular toeclips will; they let you move your foot around on the pedal as comfort demands, and a twist of the foot instantly binds or releases them. They have all the advantages of both toe clips and clipless pedals with none of the downsides. – Momentum Magazine
The most underrated bicycle accessory on this or any other planet. – Rivendell