For the Necklace: simply slide the bail onto the 27mm pendant, and press closed with your fingers. If you need a little extra leverage, nylon jaw pliers are great for closing bails without risk of damage to the crystal or bail. Slide bail onto ball chain, and "pop" clasp onto ends of chain. Voila!
Mom's Earrings: Before adding bails to the 17mm hearts, use 1.5mm punch to carefully punch a hole in the top center of each bail. Add bails to hearts and close securely. Slip a head pin through from the inside, and make a wrapped loop (or simple loop) to go on the ear wire. Gently open loop on ear wire to add the loop. For instructions on making loops, and best way to open and close loops, see Jewelry Basics 101 (PDF)
Designer Tips, Continued
Mini Me Earrings: Cut two 1.5" pieces of wire. Make a wrapped loop (or simple loop) at one end of each, and slide this end over the JBB bail. Add a briolette bead, and make a wrapped loop at the top, parallel to bottom loop. (Adjust loops as necessary so heart will hang correctly.) Add drop post to top loop, and add heart to bail.