without • is essential • is solid • stays put • is nice touch • is very solid • is great • is very tigh • helps • was a nice touch • is secure • is attached snuggly • holds very well • pretty tight fit • recommend • pretty well • is even better • don't bother • is well-secured to the pen • is very sturdy • keeps the pen securely in my pocket • sucks • broke off within a week of extremely light use • are your friend • comes with the pen • stays on surprisingly well • come off much too easily • attaches securely • is easily removable • one without • is very secure • is removable • was, for all intents • works pretty well • really helps to prevent the pen • works well • is strong • hasn't budged • snapped • makes for convenience • is really useful