Harley Riders with the 7-8" knife in a leather sheath hanging from your belt while riding....

Why? What is the reasoning behind it? Does it serve a purpose? Do you carry around large watermelons you need to cut at the end of your ride? via /r/motorcycles https://www.reddit.com/r/motorcycles/comments/ctaujs/harley_riders_with_the_78_knife_in_a_leather/?utm_source=ifttt