How many times when doing a Once Removed call do you hear someone say "Do It Twosome"? Exactly what do they mean? Let's look at a specific case. The following diagram shows the setup for a Once Removed Swing Thru:
It is the Swing maneuver that often evokes the "Do It Twosome" response.
The definition of Twosome says:
This diagram shows how the Once Removed Swing movement develops:
This movement is done by doing a Half Tag followed by a Follow Thru. This is the same flow as a Couples Twosome Swing.
But Twosome doesn't define a movement - it only defines the relationship between the partners.
Once Removed means that you perform a move in your own Once Removed group. In a Once Removed Swing, you are not doing the movement with your immediately adjacent (Couples Twosome) partner but with your Once Removed partner.
Therefore, Couples Twosome Swing is not appropriate in this situation even though it works in many situations.
At C3B the Once Removed Swing Thru could be called as a Couples Twosome Swing Thru.
But, Once Removed is a C2 concept, two levels below C3B.
The Half Tag and Follow Thru combination works well for many Once Removed calls - for example, Swing Thru, Spin The Top, Fan the Top and many Once Removed Diamond setups.
Twosome is a complicated concept - easy to define - difficult to dance. Adding this concept to C2 in order to perform a small number of Once Removed calls is adding unnecessary complication to a level that already.
contains two very difficult concepts, Once Removed and Parallelograms.
Somehow it seems silly to think that some people want everyone to learn a C3B concept, Twosomes, to do a C2 concept, Once Removed.
This approach can't and won't be done by everyone in the square because they don't know and understand it. Don't do it. It just confuses the dancers who don't know it and will probably break down the square.