Check for lmcom promo code exclusions. lmcompromo codes sometimes have exceptions on certain categories or brands.
These offers are usually only available for part of the day because they're considered exceptionally good, but lately lmcom has been offering it all day long
Look for the blue "site-wide" label for site-wide lmcom promo codes. Site-wide codes can be applied to any item on lmcom website, and therefore are the most useful codes.