I was known in the Dutch Navy as the Blister King. I earned this title honestly across a week of marching around a North Sea island.

Nine days on Portugal's Fisherman's Trail in March. Zero blisters.

The method involves silicone toe separators and a product called ArmaSkin. The full explanation — plus everything else you need to know before walking the trail — is in the practical guide I just published in The Curious Wanderer.