Instead of working out at the gym for 2 hours 5 days a week, I just started walking with hand weights 3 - 5 days a week for 30 minutes. (energyfirst.com)
Therefore, you wouldn't use hand weights in exercises where they literally get in the way. (verywellfit.com)
I do exercises for my abs and I use light hand weights for my arms every day as well. (rachaelattard.com)