Here are some upper body pushing and pulling progressions for clients who have one, "in-between" size kettlebell. A towel can be used to program a 2-arm row or to progress 1-arm rows through challenging grip.
Elevated Push up
Towel KB Row
Bear Crawl
KB Rotational Row
Push Up
1 KB Row w/Towel
Power Push Up
1 Arm 1 Leg KB Row
Yoga Push Up