Brass cups and drip catchers sit beneath each candle to catch dripping wax and protect the pyramid or arch tier underneath. Sizing matters here — measure the diameter of your existing candle holder or the candle itself (10mm, 14mm, or 17mm are the standard German sizes) before ordering, since a drip catcher that's too small won't seat properly and one that's too large can interfere with the candle flame. These are a low-cost way to protect an older pyramid's tiers from wax damage.