1) Metal cards suck, they often don't work in parking garages[1], and you can't put them in a shredder 2) They are not novel. [1] https://www.reddit.com/r/chu

1) Metal cards suck, they often don't work in parking garages[1], and you can't put them in a shredder 2) They are not novel. [1] https://www.reddit.com/r/churning/comments/4zwpvt/psa_your_fancy_metal_credit_card_wont_get_you_out/ https://www.reddit.com/r/churning/comments/4zwpvt/psa_your_f...