Looking for a another best isolation exercise to target your whole biceps muscles from different angle, then Lying on flat bench cable curl should be your best choice.
How to do Lying on Flat Bench Cable Curl Exercise Properly?
Step 1. Lie face up on a flat bench, bring your head closest to the cable pulley, Adjust the cable so it should be high enough. Step 2. Grab a straight bar handle attached to the high pulley. This is your starting Position. Step 3. Now Breathe out and Bring the bar Over your head. Hold here for contraction. Step 4. Now Breathe out and go back to starting Position Again. Step 5. Repeat the same for Complete the Set.