various methods of securing for lengthy open seas travel in a ferry...

se*cure
verb [ trans. ] fix or attach (something) firmly so that it cannot be moved or lost

fer*ry
noun ( pl. -ries) (also ferryboat) a boat or ship for conveying passengers and goods, esp. over a relatively short distance

Method 1 "The Blob:"















Method 2 "It's soft anyway:"















Method 3 "What you can't see doesn't exist:"















Method 4 "Place everything low and horizontal:"














Method 5 "Wait until it falls and then it is secure:"