Grab Abilty when Tool is ACTIVATED

Hi everyone I’m currently working on a tool Ability System and I’m not sure if anyone can help me with this cuz I have no idea how to do this ability so when the Tool is pressed the character spreads his arm forward and the backwards again so what I need is that if the Tool is activated and the arms touch another Person the person should get pulled to my character like Spiderman or sth. I searched up even on other Platforms but