- Cutting on the bias makes the tape stretchy, so that it can smoothly bend around curves and over corners.
 - Cutting on the bias makes the tape sturdy. Even if it wears down in a spot, at an angle it can't then split across the entire grain of the fabric, because it hasn't followed the grain.
 
But jersey cotton fabric is already stretchy enough to smoothly follow curves, so if you want to use it in a place where it won't get a ton of wear--NOT, for instance, as the bottom hem of a pair of pants, but YES, for instance, as the neckline hem of a gown intended for tiny babies who can't even roll over yet--
 --then you can just cut your tape straight across the grain, allowing you to use up short widths of fabric that would otherwise be wasted.
Even though I own bias tape makers in a bounty of widths, if you're only making a short-ish length of tape--say, to hem the necklines and sleeves of two sock monkey baby bags--I, personally, think it's easiest just to make the tape by hand.
To make your own bias tape from scratch:
- Figure out how wide you want the finished tape to be on the project. Multiply by four.
 - Cut your length of bias tape at that width multiplied by four. A large gridded cutting mat and a clear plastic ruler are very useful for this.
 - Fold the tape in half across its entire length and iron. Do this just a couple of inches at a time--it actually goes very quickly.
 - Open up the tape, making sure that you can see the crease down the middle, then fold each side of the tape in to that crease and iron. Again, do this just a couple of inches at a time, and do one side, then the other.
 
Does your tape look like this?
Use it immediately, because the jersey cotton won't hold the crease for very long. But it is very forgiving to sew (and to wear!), which makes it one of my favorite fabrics. 
I can't believe it, but I have used nearly every inch of that fabric. Sydney has her 







 I had each girl wet a dishtowel and put it next to her for wiping her hands on, and then I set each up on her own chair at the table, with two plates in front of her. I labeled a notecard for each girl for each substance, and I encouraged them to make observations, which I noted for them on the card.
 --but not others.
--but I really wanted them to make some subtle observations about each fluid's viscosity and its response to pressure, so I encouraged them to draw a picture in each substance and then tell me what happened. Both girls noticed that you couldn't draw a picture at all with the olive oil, that you could draw a picture with the maple syrup but it would "erase" right away, that a picture drawn with molasses would stay for a while and erase more slowly, and that a picture drawn in ketchup would stay forever:
 When each girl had finished her observations about the two substances in front of her, they switched chairs and observed the other girl's two substances.

--their reward was to receive an ample supply of Valentines in return.
 


I can't even imagine what it must be like for those grandparents who have several sets of grandchildren--do they put a calendar up in every room, or perhaps just paste one whole wall full?.jpg)
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