Kling-on hook-and-loop disks are available from Klingspor at prices competitive with pressure-sensitive adhesive disks. They can be removed quickly, and their "velour" backing is designed to give a better surface finish.
The Zip Sponge Holder from Ali Industries features a rigid plastic holder base that snugly grips the sanding sponge, with an ergonomically shaped handle. The product aims to stop the user's hand from coming in contact with the sanding sponge. The holder comes with four sanding sponges and assorted refill packages are available.