After that the anchors themselves screw in with a Philips head but are extremely brittle. Middle of the road:Noise canceling which can be good or bad depending on your situation. It is a nice concept. Very insightful and almost absolutely a future-must read when we all have cancer from these electronics and everyone wonders: Hey, who knew?Its all in here. The Baer Creighton series just keeps getting better & better. I do wear mine outside, so I washed them, and they held up great, just had to dry them longer. I?m sorry to say I will not be ordering this again because within 3 to 6 months they die just wasting money. These are extremely comfortable, I would by 2 more colors if they were available in my size. If you are a really keen home chef and really want to improve this book is for you. Too thick to wear with my slides but thats ok.