Over time, they added planks  to the log boat base using the clinker,  or "lapstrake," technique, meaning the planks overlapped and were fastened to each other  along their edges.
Com o tempo, acrescentaram tábuas à base do tronco, usando a técnica do "casco trincado", ou seja, de tábuas sobrepostas que eram unidas umas às outras pelas bordas.