Secure crates. Rah loved it, as did Berlin. I didn't get pictures of my own dogs, but I had a professional photographer there who should have pics of my dogs available soon (hopefully!), but both of my dogs were able to course 5-6 times and loved it.
However, it was stop and go - the lure can break often, come off the track (this was the first time in three attempts that Rah got to course!) and Rah was subsequently pushed to last each time- because he caught the lure EVERY TIME - no matter what they did, Rah kept catching it!
Rah killed a crate in my car when he was put back in the car to let Berlin course. I learned my lesson then

Would never have lasted in an Xpen - once he saw the lure or heard the motor run, he would bark his head off and flip out, he had to be removed from the area and he would have jumped out of anything to get to it.
Rah has coursed three times and he adores it! Then again, he's built like a greyhound...
I had with me water, a slip lead, and tennis balls - I needed something to call Rah off the lure when he caught it
Have fun, I'm so jealous!!! I need to find a place to course Rah...
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ARCH Bowie's Semper Fidelis v DRU, VC CD ASCA-CD CD-H RN RL3 ATT WAC TT CGC (and 1/3 D-CD, 8/10 RL1X, 7/10 RL2X, 2/5 ARCHX)
Beja's Bombs Away v Bowie, RN PTT CGC (and 2/3 CD-H)
There was never a time when You and I did not exist, and there never will be a time when We shall cease to be.
Les grand ne sont grands que parce que nous sommes à genoux: levons-nous!