Boating and fishing in south texas and all along the texas gulf coast is very much alive and well. these areas probably have more boats per capita than almost. 50′ cougar 50 twin v hull: for sale is a piece of offshore boating history. this boat is an 18,000 pound aluminum 50 foot cougar twin v hull which has been. What is lapstitch construction? clc’s exclusive lapstitch™ construction . patent no. 6,142,093 . the strength of the lapstitch™ joint is such that the designs.