FIX: Garden parasol end-cap replacements (spare part)

It is not uncommon for suppliers not to want to supply replacement parts: it cannibalizes on their sales of the complete products while it is frequently not a profitable business. Moreover, the logistics are very unfavorable. Suppliers usually don't end up making money of of replacement parts. If they do it (unprofitably), it usually is to prevent hurting their reputation. Supplying small quantities of many different parts to many different destinations is expensive. Plus, you usually end up man