Sanding can be hard on the hands, but the Zip Sponge Holder can help. The product features an ergonomic, soft plastic holder that grips a standard-sized sponge to keep hands safe from scrapes. It can be used for wet or dry sanding and comes packaged with four sanding sponges. Cost: $9.99. Ali Industries. 800-255-4748. www.zipsander.com.