From twin diamond formation: Those in the wave across the set Explode The Wave and points (regular) Circulate one position. The two points (ends) now facing out do a U-turn back. Finishes in a "Centers In" line.
From facing couples with one person in one of the couples facing partner's shoulder: Those who can right hand pull by and turn, then those who can left hand pull by and turn; those who can right hand pull by and turn and those who can left hand pull by and don't turn. Finishes in another gimmicked formation.
NOTE: Can be Half and 3/4 Funny Square Thru also.
From couples back to back or mini-waves: Designated dancers Run as others do their part of Trade & Roll; then designated dancers finish with their part of a Wheel Thru. Always ends in mini waves at right angles to initial facing directions.
From any appropriate formation (e.g. parallel waves): 1) Designated dancer is leader; 2) others Circulate in named formation toward leader's position; 3) name new formation/call that leader and others will use for the Unwrap action when/if reaching the leader's initial position; 4) Designated number of positions (times) the dancers will move. Example: Head men lead, take your box of 4, use In Roll Circulate, Unwrap 3.