Suggestions for clamping a desk longer than my clamps?

[Yelverton]

Just came across another option that may work & is very quick & easy but won’t work if you really have to crank down hard to close your joints.

See this video around the 7min mark you’ll get the idea of CA glue clamping blocks

I thought about something like this but instead of CA glue, using double sided tape then clamping the clamping blocks to each apron. I figure that would keep them in place without needing to remove CA residue later.

 

[mdbuntyn]

Here's another low-tech method: