Whether you need to reschedule a practice or arrange separate transportation to a meet, swimming club websites are usually more efficient than phone trees these days, although a group text message can also get the word out in a jiffy.
Browsing the aisles you'll also find "oxygen enhancers", Creatine products, herb concoctions and chemical products using only acronyms, all promising to sweep you off your weary feet in a jiffy.
Colored silks or fabrics: Whether you're putting together a gypsy, ghost or shepherd boy costume, colored silk scarves or panels help to create a variety of floaty costumes in a jiffy.
Websites like Jiffy Shirts sell cheap t shirts in a variety of fabric blends and colors, while Uber Prints allows you to design your own comfy t shirt for one low price.
If you think the words "eco-conscious" and "fashion" can't possibly go together, a visit to the tote bags page on this site should change your mind in a jiffy.