If none of these fit, please provide a few more details so I can give you the exact review you need!
If "1x8" refers to a in a fitness release like BodyPump 93: Review: The Perfect Transition Count
"The used in recent releases is a game-changer for maintaining heart rate while switching muscle groups. It provides exactly enough time to reset your stance (e.g., from squats to lunges) without the music feeling like it has 'dead air.' Pros: Keeps the energy high and the class in sync.
Since "See 1x8" can refer to several different contexts—from high-end home finishes to technical programming—here are helpful reviews for the most likely interpretations of your request.
If you are referring to often seen in modern farmhouse or coastal designs: Review: A Timeless Upgrade for Texture and Depth