I don't know anything about Jukis but there seems to be a lot of high shank 1/4 foot with guide on ebay. For example:
http://www.ebay.com.au/itm/1-4in-Hig...item2586984866
I don't know it doesn't mention your model but I've found that's not necessarily indicative of it not fitting it.
I have the following rulers excellent for scant 1/4 inch seams:
The Westalee gauge:
http://www.punchwithjudy.com.au/shop...eam-gauge.html
and
the Ezy seam helper
http://www.amazon.com/Seam-Helper-Sc...=cm_cr_pr_pb_t