Forage for fresh, mature acorns, checking they are free of debris and damage.
Use your knife and a straight edge to lightly mark a centre line along the strip of bark.
Baton the wood along its grain into eighths, giving you eight splints.
Choose a straight, sturdy piece of green wood, sometimes called a Waugan stick or supporting stick, long enough to span from a fixed point at the edge of your fire out over the flames.
Melt the butter and set it aside.
Gather the group and introduce them to a series of plants and trees that can sting or scratch, such as common nettle, bramble, blackthorn, hawthorn and dog rose.
What3words is a free app that divides the world into three metre squares and gives each one a unique three word address.
To support a shelter pole upright without trees, anchor it using two or three guy lines spaced at equal angles around it, remembering a ridge line can count as one of these anchors.
Take a ball of clay and knead it until soft and pliable, checking there are no lumps or dry bits, since these can cause cracks later.
Hold the flint horizontally in your non dominant hand, gripped between your fingers and thumb, with your thumb resting on top.