I have both the 18" and the 31" Sampson's. I rarely use the 31' because I find the 18" easier to carry. I made my own carrier and carry it with the handle down. The weight doesn't swing while you walk and the shovel isn't neat as noticeable to people watching you detect.
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How it fits.
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Most of the time my arm hides it from view.
I have never had a problem with being cut with it in this position. The higher center of gravity makes walking easier and less chances of falling.
Would you be interested in making and selling me one? Having the blade from view sounds good.