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Andre C. The mechanism doesn't work great. It doesn't pop up enough and isn't a great product. I would return it if it was possible
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Joshua C. It is probably 5x heavier than the yocan Uni pro. The feel is nice. The shiv part is a gimmick, but it does keep your cartridge out of sight. Another user pointed out he has to pull on the cart to fix the shiv spring mechanism, it was a thing for me.
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Lisa P. Love the Switchblade type for concealing in pocket when not in use however when extending to expose tank, does not catch in locked position. Have to pull tank “rest of the way out”… Don’t know if this is a defective Vape battery, otherwise it works
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Brad S. The Shiv by Hamilton Devices
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Waleed A. The shipment is stuck from the 12th of December