What these were made of is uncertain, however it's quite possible that they used large logs made from oaks or pine that were doubled on top of one another where they were tied down with soft springy saplings that were split lengthwise and bent over the logs horizontaly to the top and the underside.These springy saplings with pliability were then tied at the ends together with leather similar to how a gripper bar raft is made.The weather appears to have been considerably better than it is today as O'Kelly wrote: "In circa 9,600 BP, the Boreal Phase, birch was still present but hazel began to expand greatly.

The first and most important of these bases established was likely on Orkney, which has the longest record of continuous settlement of the British Isles and has rich archaeological sites to prove it.
The traditional view of the origin of the Picts is that they started out settling the other islands from Orkney as is written by Bede in "The Eclesiastical History of the English People" (731 A. It was also roughly the half-way point between the Basque country and Finnmark.
A coracle was placed on top of the gripper bar raft which was tied down to the corners of the raft with leather rope.
The coracle may have had small holes in it to allow for a paddle rudder mounted on an A-frame to steer the raft.
The hunters then probably turned to horses and the giant irish deer for food.
12 000 years ago the giant irish deer which these hunters hunted in southern France were becoming scarce and these hunters knew this.
These women were probably the carriers of the O positive blood factor.
35 000 years ago the men of southern France and the Basque region hunted the wild bison, wooly rhinocerus, horse, and mammoth where they lived in tepees with the women and not in the painted caves according to popular belief.
The reason being for this is that after menstruation and child birth, they needed protection from the cold and other weather elements to raise and feed thier children.
This is probably where the women, over thousands of years, obtained the recessive genotypes like lighter skin and hazel eyes, although not necessarily the dominate phenotype of the O blood factor which they most likely picked up 5-6000 years earlier when they ventured out of Siberia on thier way to northern and southern Europe.
They headed north using star navigation about 11 000 years ago and found a large herd of migrating reindeer in Arctic Norway.