Any one have any glass cover knobs shown in the link below
http://www.petmountain.com/product/aquarium-hood-parts/11442-516025/marineland-marineland-replacement-handle-for-glass-canopy.html?utm_source=googleproductads&utm_medium=cpc&gclid=CKW0lrb32cICFcnmions7AodwisA2A
Any DIY ideas?