For this you dont need to drill any holes. https://www.amazon.com/dp/B081GNK424/ref=cm_sw_r_wa_apa_glt_fabc_SANQWR3G4EZZ54TBYXJ7?_encoding=UTF8&psc=1
Yea that's what I was thinking, you see any issues with hanging them on a simple bar like this.