Plus, thanks to psychology, we can all bond over our love of knurling.

另外，感谢心理学，让我们能分享对 "滚花" 的热爱。

One of my favorite affordances, which suggests to users that an on-screen element is draggable, is knurling – that texture added to objects to improve grip and show you where to best grab them.

我最喜欢的功能之一是滚花，它向用户暗示屏幕上的元素是可拖动的——这种纹理添加到对象上以提高抓握力并告诉您最好抓住它们的位置。