That'll hold un.

Then when we've made un fast we'll caulk un up with spruce gum." "Why can't we cut strips of sealskin off our sleepin' bags for strings to tie un with ?" suggested David.

"'Twould be easier than makin' spruce root strings, and quicker too, and the sealskin would be strong and hold un tight." "Yes, and soon's the sealskin gets wet she'll stretch," Andy objected.
"Then the boards would loosen up and let the water in." "I never thought of the sealskin stretchin', but she sure would.
You're fine at thinkin' things out, Andy!" said David admiringly.

"The spruce roots won't stretch though.

'Tis a fine way to fix un now, and she'll work.