What do People use to Deter Leeches?

My second leech in as many walks prompts this question.
What remedies and measures do you use to avoid giving blood involuntarily?
I have heard of people wearing plastic bags from the knee to the tops of the boots and I have been told to dip the tops of my sock in kerosene, but neither of these remedies are appealing.
What remedies and measures do you use to avoid giving blood involuntarily?
I have heard of people wearing plastic bags from the knee to the tops of the boots and I have been told to dip the tops of my sock in kerosene, but neither of these remedies are appealing.