The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. How wide is this activity bar? The adjustable clips with a range of 0.8-3.5’’ to fit most prams,car seat,stroller,crib mobile,bassinet and bouncers. Also it can stretch from 19'' to 32''. ls it foldable? The play arch joints are flexible and can be adjusted to many angles,it easy to fold and carry to outdoor. How to install the crib mobile? 1.Adjust the angle of the clips；2.Grab the crib；3.Turn the red part to tighten the clamps