Oslo Stitch  (Finnish Stitch 1+1)

Hansen's Notation UO/UOO F1 (or F2)

In Finland this stitch has been used at least in: Muurame (Korpilahti), Savitaipale 
Elsewhere this stitch is known e.g. as Oslo Stitch (Norway), Lund Stitch (Sweden). 

Video links below the photo

Oslo Stitch UO/UUO Finnish Stitch 1+1  front side	Oslo Stitch UO/UUO Finnish Stitch 1+1  reverse side

Oslo Stitch UO/UOO Finnish Stitch 1+1

Video (link) - How to start and make the first loops; how to join a chain of stitches to a circle; second row and connection stitches (F1/F2); using thin yarn and tensioning the stitches onto the needle; how to make a round start; voiceover both in English and Finnish.

Video (link) short video, just the stitch itself

In Finland this stitch has been used at least in Muurame (Korpilahti) before 1910 (Kaukonen, 1960) and in Savitaipale in 1930's and earlier (personal communication 9/2010). This stitch has been used also for milk sieves in Finland and in Sweden (Kaukonen, 1960).

There are historical mittens made with this stitch type (Oslo Stitch) at least from Lund (Sweden) from 14th-15th century (photo), Copenhagen (Denmark) from the Middle Ages and from Arnheiðarstaðir (Iceland) from 10th century (photo; choose page 74). The Oslo Stitch has gotten its name from a mitten found in Oslo (Norway) (Odd Nordland, 1961), mutta based on the photos, the stitch type in the Oslo mitten seems to be something else than the so called Oslo Stitch. In Petra's blog (link) there are photos about the original Oslo mitten and the mittens which Petra made using the Oslo stitch. 

This nalbinding stitch is known at least by these names: 
Oslo (Schmitt, 1997, 2000, 2006)
Lunda (Mellgren, 2008) 
Lunda, Oslo-Hvidding, Ribe (Overby, 2014) 
Simtuna (Rothquist-Ericsson, 2003)
Södertjäratekniken (Anderson, 2009) 
Variant A, Variant 1, Variant 2 (Westman, 2001)
En-plukk (Stoltz, 2010) 


You can read more about the Finnish Stitch Family (or two-phased stitches) on page Stitch Grouping by Toini-Inkeri Kaukonen (link).

Work instructions without thumb loops (flat):

- Pick up one (F1; one new) or two (F2; one new and one old) connection stitches at the edge of the previous row.
- Insert the needle through the previous stitches, moving from right to left, "under 1" and "over 1".
- Turn the needle towards 2 o'clock, and insert the needle "under 1" and "over 2"
- Pull the needle and yarn through, and tension a new loop either around your thumb (and then drop it off), or tension the new loop 'freely'.


With thumb loops:

- Pick up one (F1; one new) or two (F2; one new and one old) connection stitches at the edge of the previous row.
- There is one loop around your thumb, do not pick it up.
- Pick up onto the needle one loop behind the thumb, from front to back, from right to left.
- Turn the needle towards the root of your thumb (8 o'clock), and push the needle under the thumb loop and the needle yarn (working yarn, which runs from your thumb to the needle).
- Pull the thumb off the thumb loop
- Pull the needle and yarn through, and tension a new loop around the thumb. *)


*) When you are working with a thinner yarn, you can pull the newest loop smaller around the needle, like shown on the video (link), so that the stitches will become smaller and the fabric denser.