Simply use a piece of screen wire to cover the drainage hole.

简单地用网线（纱窗，防虫网）盖住排水孔就够了。

youdao

These can be Styrofoam shapes, cardboard or other tubes, boxes, cans, jars, clay POTS, screen wire, etc.

这些能成为聚苯乙烯泡沫塑料形状，纸板或是其他管子，盒子，罐头，罐，泥罐，网线，等等。

youdao

youdao

The BeagleBone LCD7 Cape, one of the most popular cape plug-in boards, delivers touch screen capability, featuring a 7-inch TFT LCD screen with 4-wire resistive touch and five user buttons.

ENGADGET: BeagleBone gets plenty of expansion options with new 'cape' add-ons

The same 5600dpi 3.5G laser sensor drives the Naga's precision, which shows up lag-free on your screen thanks to a thread-wrapped USB wire.

ENGADGET