Mark H. submitted this 9CWL quite a while ago(+), commenting: “Looks like the visuals in the first two frames are out of sequence. What woman wraps a towel around her head before going into the shower?“
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I agree that it does look odd, but I think the “out/in/out” sequence is necessary to make the “dash” effect work in the final panel. It’s really just that towel (on her head) that seems out of place.
P.S. (+) This strip is from August, but may have been overlooked amidst all the “swimming“, “milkshake“, and “accelerated maturation” issues we have seen in recent weeks. After all, they are all basically the same topic (the same one that we did not see just this past Wednesday, in “Hägar the Enabler“).
However, as long as we are on that subject, Mark H. also submitted the 9CWL below as an Arlo, commenting: “Given that they’ve never been intimate, it’s not clear how she knows how big his macadamias are….”
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Perhaps she was just estimating their diameter from the effectiveness of his testosterone level on her…
Comics I Don't Understand 
Here’s a third Arlo 9CWL submitted by Mark H. – we might as well put them all in a central location:
Mark raised the following anatomy question: “One wonders in looking at this, with Edd’s legs over Amos’ shoulders, exactly which part of her is being presented to kiss. I would think her face would be a foot or so above his head…“
If the rest of her hair was covered – I seem to remember in the past before “everyone” had a hair dryer at home, one might wrap one’s hair to keep it dry when one showered so that their hair would be dry to go out to work, etc for the day if one was a morning showerer.
But since her hair is only partly covered – I guess that would not work here.