Has anyone tried this one? It seems a bit too good to be true, but it's 2020 after all..!
https://www.alibaba.com/product-det...a2700.7724857.normalList.1.236b34d9QRUB7D&s=p
Extra plus for the comparisons between a regular e file (sirens and drill noises) and this one (serenity and birds singing)
https://www.alibaba.com/product-det...a2700.7724857.normalList.1.236b34d9QRUB7D&s=p
Extra plus for the comparisons between a regular e file (sirens and drill noises) and this one (serenity and birds singing)