Yes, you just need to be holding the capsule tight to the top of the bottle. George does sell a tool specifically for this.
<table ="Catalog" id="products" align="center" border="1" bordercolor="#000000" cellpadding="2" cellspacing="0" width="100%"><t><tr><td ="table" align="default" width="2%"><div align="center">6598 </td>
<td width="5%"><div align="center">
</td>
<td width="20%">
Fast Seal Tool
For use with heat shrinkable PVC capsules</td>
<td width="2%"><div align="right">$4.99</td>
<td width="2%"><div align="right">$4.99 </td>
<td width="5%"><div align="center">Stocked </td>
<td width="15%">
Add to Shopping Cart
Add to Wish List
Shipping Cost Estimate</td></tr></t></table>
<table ="Catalog" id="products" align="center" border="1" bordercolor="#000000" cellpadding="2" cellspacing="0" width="100%"><t><tr><td ="table" align="default" width="2%"><div align="center">6598 </td>
<td width="5%"><div align="center">
<td width="20%">
Fast Seal Tool
For use with heat shrinkable PVC capsules</td>
<td width="2%"><div align="right">$4.99</td>
<td width="2%"><div align="right">$4.99 </td>
<td width="5%"><div align="center">Stocked </td>
<td width="15%">
Add to Shopping Cart
Add to Wish List
Shipping Cost Estimate</td></tr></t></table>