We had the exact same problem on the M135.  
 
The Tupperware box in which we keep the spare flags, slid under the E-Brake lever.  
Brake heated, Passengers sick from smell....  
No permanent damage, but premature wear occured. 
 
Thank God it was a short trip!
		 
		
		
		
		
		
		
		
		
	
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