As with any lesser-known .vip domain, users should exercise caution:
Some coupon aggregators use comma-separated tags. nolube could be a brand (e.g., a niche line of dry lubricants like PTFE spray), and vip indicates a 10-20% discount for loyalty members. A URL like https://shop.com/coupon?code=nolube%2Cvip would be decoded to apply both tags. nolube%2Cvip