Savvy bro Lifehacker got turned onto a great idea posted at DIY Mods on cutting down on all those extra store discount cards bursting out your purse.

Snip up the cards and paste the bardcodes on one card. Endure odd looks from the clerks and just tell them which barcode to scan. Neat!

Save leftover plastic card shavings to build a thrifty “shopper’s shiv.”

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