The Sefer Zichron Yackov, *1 writes
“When baby boys were taken to Shul for their Bris,
They put on the head of the baby a minature Shtreimel (same as the adult males wear on Shabbos)
They also wrapped the baby In a Tallis when they carried him to Shul.
For Kvatter*2 they used a little boy and girl.
The boy wore a Shtreimel and a Tallis.
The girl wore a Tichel on her head. Both were dressed up like adults.
Most towns had a Chevra Sandeko'os.
They paid for chicken or meat to feed the new mother.
Some also paid for the Midwife / Doctor and the Bris Seudah.
In return a Gorol was drawn and one of the members got Sandeko'os.
*1 – 66 (R. Yackov Lipschutz)
*2 The word comes from G-d Vatter (G-d Father )
Goyim adopted it from us.