Handy Trends Smart Caulk Caulking Tools Easy to use for any edges, corners or joints. The Smart Caulk is the easiest way to finish your bathroom, kitchen, and home sealing projects. Applying caulk and sealants used to be messy and time consuming, but now you can seal like a pro in minutes. Just apply the caulk, silicone or grout, select a sealing edge and slide along for a perfect finish. Plus there is no waste- just reapply the excess to extend the seal with no seam. Caulk remover tools doubles as a handle for caulking tools!