Light band, lit-up side delts and traps.
Elbows lead and stay higher than your wrists the whole way up.
Pulling the handles up your body with your elbows leading hits the side delts hard, because dragging the elbows out and up is exactly the motion those fibres exist for. Your traps kick in to elevate the shoulders near the top and your biceps assist as the elbows bend through the pull. With the band anchored under your feet, tension rises as the handles climb, so the top of the rep is the hardest part, which makes it a smart delt and trap builder for home setups and warm-ups alike.
They tend to feel friendlier. The handles move independently so your wrists and shoulders can find their own path, unlike a fixed bar that locks both hands to one line. Stopping the pull at shoulder height keeps most people comfortable either way.
Until your elbows reach about shoulder height, no higher. Cranking the handles up to your chin forces the shoulders into a cramped position without adding anything for the delts or traps.
Your wrists are leading instead of your elbows. Think of the hands as hooks and drag the elbows up and out to the sides. If the biceps still dominate, widen your stance on the band to increase tension and slow the pull down.
