- The boat hull protector has been protecting the watercraft of all designs including some fishing boats, recreational boats, rigid inflatables for several years. Apart from that, the boat lift slings are the economic cradles that are recommended for lifting work, but not all boats required boat slings. One can join the trusted customer base of Linebagz for giving ultra saving protection to your investment in boats. Consulting the brand can help you a lot for using the boat for lifting work.