plan 'b'
thesurfcater sells plastic custom inserts for 7 [ 4 big plug 3 needle/small]
or 5 big plugs ...
because they are one peice and made to drain its kinda the end price of going through your own trouble....labour...
they are a little heavier than the tubes from njt but SOLID.
looks exactly like the picture i posted just one piece
Thanks everyone for some great ideas on hauling timber down the beach .
Now if everyone who posted a response would please send me 1 plug , I'll be glad to field test them on California stripers.