@Martin - are you sure the QR's seized? Sometimes it seems that way, but once you squeeze the calipers together and retry you realize it wasn't. QRs can get 'locked' when the arms are wide open. Sorry if stating the obvious.
Thanks for the tip Scarlett, at my age even if it was obvious I need reminding....
Thanks for the tip Scarlett, at my age even if it was obvious I need reminding....