One top brand that manufactures this accessory is Knit Pro, and this particular manufacturer supplies it chart keeper to retailers around the world, making it easy to get hold of. Knit Pro also has a number of other accessories that knitters might find useful, ranging from sock blockers to needle sizer.
Fastenings: Plain flat half-inch buttons are best to use for fastening. Avoid nylon and metal fastenings, as they get very hot under the incubator heaters. Do not use Velcro as a fastening, it is very scratchy on the hook side and also damages knitted garments when they are laundered. Ease of dressing is vital for preemies and as a general rule it is best not to use ribbon as a fastening as ribbon can often be fussy to tie on a garment so small.
One of the first accessories that will become invaluable for you as a knitter is the knitting bag. This type of accessory does not only provide the perfect place to store your unfinished projects, your yarn and your knitting needles, but it will also allow you to transport your materials with you without worrying that they are going to become damaged.
The blocking mat is another accessory that can be extremely helpful for the knitter or crocheter, or even for those who enjoy sewing and quilting. This mat serves for pinning the project to its surface, making it very easy to line up the project, keeping straight edges, hems and seams.
Cowls: Now, here is a project that is hotter than hot. Cowls, aka mobius knitting is all the rage right now. And no wonder. These little beauties are attached at their ends when finished and they are also called Infinity scarves. Besides looking just terrific with any wardrobe, cowls are the best warmer-uppers on cold winter days. Easy to knit, they can be finished in a weekend.