No. It's usually easiest to stitch it on with sewing thread, which is easy to hide in the yarn, but you can also sometimes use crochet.
"Crochet" is a verb that describes a particular manner of turning yarn into an article of more direct use.
Crochet is an art you do with a hook and any material that can be made into a thread of various thickness. Not only is it relaxing, thought absorbing and fun, but has the health benefit of exercising arthritic fingers, elbow joints and rotor cuffs. One can crochet with anything threadlike and make everything from head to toe as far as clothing, household good, upholster furniture, create pictures with crochet.... endless possibilities for every person age 8 and up, though some dexterous children even earlier.
A crochet hook is a tool, and together with the type of yarn you want to use, will help you achieve the gauge you need in the fabric you want to crochet. There is no number as a maximum, but you do need at least one.
single crochet
If it's a bulky yarn then you should use hook size H and up. If it's thinner then stick to the smaller size hooks. If your hook is too small then the yarn will not fit on the hook and it may snag on the hook as your working.
You should use a size J/10 crochet hook for a project that requires a 6 mm crochet hook.
This notation refers to the color of the thread, not to a weight or other information about the yarn itself. If you are using a pattern that says "pastel thread" it means that you get to choose the colors rather than use the colors for a specific theme. Pastel is pale, baby colors like lavender (purple), pink (red), or jonquil (yellow).
You should use a crochet hook that is labeled as 5.00 mm for the project.
No.
Finger crochet is when you use your finger to crochet instead of a hook.
To crochet gloves, I would look online for a pattern to follow. There a many, many styles and ways to crochet gloves. So look for the pattern which fits your need.I have attached my favorite place to find free patterns for all sorts of projects. The reason I use this site is because there rarely is a "broken" link, and the sites are categorized and alphabetized . This site is Crochet Pattern Central. This is but one place which lists places to find free patterns.