And, while you're at it, don't forget your flask, survival suit, ice axe and crampons.

BBC: Chick Young's view

He admitted the group had made a "stupid mistake" in not getting kitted out with crampons and ice axes.

BBC: Fall man is 'lucky to be alive'

"We deployed two members of the team to help the man who was fully equipped with crampons and ice axe, " said Mr Benbow.

BBC: North West Wales

Aside from the crunch of crampons on ice, the only sound is meltwater running over the glacier surface in a perfect zigzag stream.

BBC: The perfect trip: Switzerland

Matthew Jagger, 20, from Manchester, said he made a "stupid mistake" going up the mountain with four friends without crampons or an ice axe.

BBC: Fall man is 'lucky to be alive'

Most of the others had basic waterproofs on, but no ice axes or crampons, and these people were heading up to the snow line.

BBC: Risks of seeking mountain heaven

"Both these men were well equipped with crampons and ice axes and they got into difficulties in what are really still very difficult conditions, " he said.

BBC: North West Wales

The walker from Belfast did not have crampons despite recent warnings from mountain rescuers that hikers and climbers needed to be equipped properly on the frozen peaks.

BBC: Snowdon walker airlifted after 1,300ft Watkin Path fall

Arriving in this exotic and definitely foreign land with a collection of skis, snowboards, crampons and kayaks and attired in brightly colored technical garb, the ACG Team made its mark on the Moroccan landscape.

CNN: Moroccan multisport

Under different circumstances, Arthur McKechnie would have been one of those people you read about in the newspaper: the schizoid boy who jumps out of a window thinking he can fly, the mad explorer who crosses the Arctic with nothing but a rucksack and a pair of crampons.

NEWYORKER: Something Like Happy