The difference between K-wine and a traditional plate with glass holder is that K-wine moves the weight from the side to the middle of the plate.

这款K-wine餐盘和其它能放杯子的餐盘的不同之处在于，它将盘子重量从周围集中到中间。

youdao

Not too long ago, as Okie Morris went through a thrift store, she saw a Mason jar in one room and a glass candlestick holder in another, and inspiration struck.

FORBES: Where Ideas Come From: Nature vs. Nurture

The holder start in a locked vertical position, and to attach a lens you just bayonet it into place, securing the glass and allowing the holder to be lowered.

ENGADGET: Insert Coin: Quikdraw targets lens fumblers and multiple camera packers (video)