Oni to asi navíjej ručně. Ukázka je ještě střízlivá.
https://ae01.alicdn.com/kf/He8c15b027543460ebd0ab3e1771a897ak.jpg
Obrázek je z:
https://www.aliexpress.com/item/1005001825809416.html?spm=a2g0o.productlist.main.17.5f052c035Kb8U9&algo_pvid=2a0a5c7b-08c6-4687-b60e-48b62db19d85&algo_exp_id=2a0a5c7b-08c6-4687-b60e-48b62db19d85-8&pdp_npi=3%40dis%21CZK%2112435.47%217461.28%21%21%21%21%21%402100b69816826896229622182d0788%2112000026756812702%21sea%21CZ%210&curPageLogUid=GkZRwS1hPhXP
