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its like a spork! it may be a speel or maybe a rool?spool or reel?
View attachment 165605
Halcyon markets it as a spool, but definitely has some reel features.
My trimix teacher taught us this method for sending up an SMB (using a spool) here in a country where pretty much everyone wears bulky dry gloves winter & summer.
I was taught to clip my double ender over the line and hang onto the double ender in my left hand (I'm right handed). Left hand also hangs onto the lip of my smb. Right hand palm up very loosely holds spool. Turn head, exhaust the air from 1 deep breath from uphill reg "whisker" into the SMB and let the SMB go. As the SMB goes up, drop your right hand and the let the spool spin freely 6-15" above your hand. When the spool stops spinning like crazy and starts to drop, grab it. If you miss the spool and it sinks (surprisingly enough this almost never happens) you reel it up from the double ender. Important: You have the line running through the "up" double ender and the "down" end of the double ender tight in your left hand throughout the entire procedure.
* This keeps you from ever getting clumsy dry glove fingers from your right hand tangled in the line as you attempt to hang onto the spinning spool.
* the line runs very freely through upper end of the the double ender and doesn't tangle on your left hand because your hand is gripped around the down side of the double ender - again: no fingers sticking up to get caught.
* Most important => it looks really cool The spool hops up and spins all by itself in front of your nose, then drops neatly back into your hand when it's done.
Launching the SMB takes maybe 25x runs to get it pretty much down pat. Consistently being able to easily, smoothly roll the SMB back up and stow it back into your pocket takes...
Well, I'll have to get back to you on that someday.
When inflating, I keep all of the line tight on the spool and smb and spool both in my left hand (double ender is clipped off on my right d ring). Then I hold my regulator out of the way with my right hand and orally inflate (my smb is not open ended).