Juki Elasticator Presser Foot for MO-1000 and MO-2000 Sergers The Juki Serger Elasticator Presser Foot for MO-1000 and MO-2000 is an original Juki accessory. Use the Juki Serger Elasticator Presser Foot for MO-1000 and MO-2000 to install elastic in garments, pants, skirts, baby items and more. Compatible with both the Juki MO-1000 and MO-2000 sergers.