"Last longer"...and maybe laugh a little harder?
Durex Performa condoms contain benzocaine (a mild anaesthetic), which helps men last longer in bed. To highlight this product's benefit, we distributed limited edition pillowcases alongside Performa condoms at New Zealand's biggest annual sex expo, Erotica. As a result the Durex stand was inundated, increasing sales by 28%. The pillowcases proved such a hit with the guys that hundreds more were printed and sold in D.vice sex stores as a continuation of the promotion. [via Core77 and Ad Sneeze]
Complete ads under the cut (click images for semi-NSFW frightening close ups).