I carry a walking stick cuz my knee and spinal defects cause me to stumble a lot. A standard drug-store cane gets through airport screening effortlessly, but an rei collapsible stick seems to look more menacing and has elicited some grumpy interrogation. Seems to vary widely with the age and officiousness of the security personnel, unless there is a recent BOLO out on fat old bald gimpy guys.
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Dance like you have never been hurt, work like no one is watching,love like you don't need the money.