To welcome the strap season, use the correct dumbbells to slim your arms. Want to get rid of the excess fat on your arms and have slender ones? Three simple arm-slimming exercises can help you lose arm fat and achieve toned arms. Come on, let's start doing these arm-slimming exercises together! For the bicep curl exercise in preparation for the strap season: Stand straight, hold 1.5~3 kg dumbbells in both hands with your palms facing forward. Slowly lift your right knee to a comfortable height while making sure to tighten...