The bead ball stuck slingshot has been a long existing in the slingshot market. It is quite convenient to use a 4.5mm steel ball to install the bands or tubes in the hole. you can use this type slingshot to shoot both tubes and flat bands. The bands can be quickly installed or replaced in seconds.
This bead ball slingshot is recently released in 2020. It has a width of 80mm and a deep fork. Personally i would recommend this to a slingshot starter to avoid fork hit. Or It is used by lots of fast shooting shooters to shoot with instinctive style.