Recommendations for a cell phone pouch or pocket for Brain Bag strap

[michaelf]

Looking for a way to carry my cell phone using a pouch, or something, attached to the shoulder strap of my Brain Bag...any ideas or recommendations?

[dorayme]

What about using a mini or small (depending on the size of your phone) padded organizer pouch and looping a keystrap around the handle, or through the webbing intended for the sternum strap and clipping both ends to the o-ring on the pouch?